From: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
The Pipe Usage descriptor is needed for USB Attached SCSI
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
---
include/linux/usb/ch9.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 603b61a..e779af5 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -191,6 +191,8 @@ struct usb_ctrlrequest {
#define USB_DT_WIRE_ADAPTER 0x21
#define USB_DT_RPIPE 0x22
#define USB_DT_CS_RADIO_CONTROL 0x23
+/* From the T10 UAS specification */
+#define USB_DT_PIPE_USAGE 0x24
/* From the USB 3.0 spec */
#define USB_DT_SS_ENDPOINT_COMP 0x30
--
1.7.0
--
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